From ab4b59afb9511fbc5d9ae569f4e27c23565910df Mon Sep 17 00:00:00 2001
From: fbernon <fbernon>
Date: Mon, 11 Jun 2007 20:16:38 +0000
Subject: [PATCH] Partial fix for bug# 20147: "getsockopt() with SO_ERROR
 option" 'socket layer error is not updated if no operation on netconn).

---
 src/api/sockets.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/api/sockets.c b/src/api/sockets.c
index 568dfd3d..b3d42335 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -1204,6 +1204,9 @@ static void lwip_getsockopt_internal(void *arg)
       break;
 
     case SO_ERROR:
+      if (sock->err == 0) {
+        sock_set_errno(sock, err_to_errno(sock->conn->err));
+      } 
       *(int *)optval = sock->err;
       sock->err = 0;
       LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n",